FXR agonist GW4064 reduced the association between β-Catenin/TCF4 complex and the TCF binding sites from Cyclin D1 promoter. ChIP analysis was carried out using antibodies against TCF4, β-Catenin, or normal IgG in lysates from Huh7 cells.

Lithocholic acid is a toxic secondary bile acid, causes intrahepatic cholestasis, has tumor-promoting activity, its toxic effect can be protected after it activates the vitamin D receptor, PXR and FXR.